Table 1 Patient characteristics

Age, years

Median (range)

63 (34–82)

62 (46–76)

63 (34–82)

Gender

Male

92

45

47

Female

2

1

1

Smoking history

Never

7

5

2

Current or former

85

39

46

Prior therapy

Surgery

31

15

16

Radiotherapy

20

10

10

Chemotherapy (adjuvant or neoadjuvant)

19

9

10

Initial disease status

Initial advanced state

59

29

30

Recurred state

35

17

18

Locoregional disease

4

3

1

Distant metastasis

90

43

47

No. of metastatic sites

One

45

24

21

Two or more

49

22

27

Metastatic sites

Neck, supraclavicular LN

51

24

27

Abdominal LN

42

23

19

Lung

30

10

20

Bone

17

8

9

Liver

12

6

6